DEFINITION AND QUANTUM-CHEMICAL APPLICATIONS OF NESTED SUMMATION SYMBOLS AND LOGICAL FUNCTIONS - PEDAGOGICAL ARTIFICIAL-INTELLIGENCE DEVICES FOR FORMULAS WRITING, SEQUENTIAL PROGRAMMING AND AUTOMATIC PARALLEL IMPLEMENTATION
R. Carbo et E. Besalu, DEFINITION AND QUANTUM-CHEMICAL APPLICATIONS OF NESTED SUMMATION SYMBOLS AND LOGICAL FUNCTIONS - PEDAGOGICAL ARTIFICIAL-INTELLIGENCE DEVICES FOR FORMULAS WRITING, SEQUENTIAL PROGRAMMING AND AUTOMATIC PARALLEL IMPLEMENTATION, Journal of mathematical chemistry, 18(1), 1995, pp. 37-72