TY - BOOK AU - Grossman,Michael TI - Bigeometric calculus : : a system with a scale-free derivative / U1 - 515.3 GRO PY - 1983/// CY - Rockport, Mass. : PB - Archimedes Foundation, KW - Differential calculus N1 - Includes bibliographical references (p. 95-96) and index ER -