TY - BOOK AU - Fox, Charles TI - An introduction to the calculus of variations SN - 9780486654997 (pbk) U1 - 515.64 PY - 1987/// CY - New York PB - Dover Publication KW - Calculus KW - Mathematics KW - Relativity mechanics KW - Eulcrian equation KW - Weak variation KW - Calculations KW - Integration KW - Variables KW - Elasticity KW - RICAS N1 - Included bibliographical references and index ER -