1982-1989
- P. Piecuch, "Invariance Properties of the Multipole Expansion," Int. J. Quantum Chem. 22, 293-298 (1982).
- P. Piecuch, "Spherical Tensor Theory of Long-Range Interactions between Two Molecules," Int. J. Quantum Chem. 25, 449-473 (1984).
- P. Piecuch, "Higher-Order Contributions to the Intermolecular Energy in the Perturbation Treatment of Long-Range Forces in the Light of Spherical Tensor Theory," Chem. Phys. Lett. 106, 364-372 (1984).
- P. Piecuch, "Spherical Multipole Moments and Polarizabilities of Tetrahedral and Octahedral Molecules," Acta Phys. Pol. A 66, 69-80 (1984).
- P. Piecuch, "The Non-Additivity of Long-Range Interactions in Second-Order Perturbation Theory in the Light of Spherical Tensor Formalism," Chem. Phys. Lett. 110, 496-503 (1984).
- M.M. Szczęśniak, Z. Latajka, P. Piecuch, H. Ratajczak, W.J. Orville-Thomas, and C.N.R. Rao, "Theoretical Studies of Lithium Bonding in Lithium Chloride/Aliphatic Amine Complexes," Chem. Phys. 94, 55-63 (1985).
- P. Piecuch, "Note on the Multipole Expansion in the Spherical Tensor Form," J. Phys. A: Math. Gen. 18, L739-L743 (1985).
- P. Piecuch, "Supplement to Spherical Tensor Theory of Long-Range Interactions between Two Molecules," Int. J. Quantum Chem. 28, 375-386 (1985).
- P. Piecuch, "Higher-Order Interaction Energies for a System of N Arbitrary Molecules in the Light of Spherical Tensor Theory," J. Math. Phys. 27, 2165-2187 (1986).
- P. Piecuch, "Spherical Tensor Theory of Long-Range Interactions in a System of N Arbitrary Molecules Including Quantum-Mechanical Many-Body Effects. I. Anisotropic Induction Interactions in the First Three Orders of Perturbation Theory," Mol. Phys. 59, 1067-1083 (1986).
- P. Piecuch, "Spherical Tensor Theory of Long-Range Interactions in a System of N Arbitrary Molecules Including Quantum-Mechanical Many-Body Effects. II. Anisotropic Dispersion Interactions in the First Three Orders of Perturbation Theory," Mol. Phys. 59, 1085-1095 (1986).
- P. Piecuch, "Spherical Tensor Theory of Long-Range Interactions in a System of N Arbitrary Molecules Including Quantum-Mechanical Many-Body Effects. III. Isotropic Interactions in the First Three Orders of Perturbation Theory," Mol. Phys. 59, 1097-1111 (1986).
- P. Piecuch, "On the Addition Theorems for Solid Spherical Harmonics," Rep. Math. Phys. 24, 187-192 (1986).
- P. Piecuch, "Classification of Two- and Many-Body Fourth-Order Induction Interaction Energies in an Arbitrary Multimolecular System," Acta Phys. Pol. A 74, 563-572 (1988).
- P. Piecuch, "Spherical Tensor Theory of Long-Range Interactions in a System of N Arbitrary Molecules Including Quantum-Mechanical Many-Body Effects. IV. The Use of Cartesian-Spherical Transformation Formalism," Mol. Phys. 66, 805-818 (1989).
- P. Piecuch and J. Paldus, "Orthogonally Spin-Adapted Coupled-Cluster Equations Involving Singly and Doubly Excited Clusters. Comparison of Different Procedures for Spin-Adaptation," Int. J. Quantum Chem. 36, 429-453 (1989).