TY - GEN AU - Ayres,Frank TI - Schaum's outline of theory and problems of differential T2 - Schaum's outline series AV - QA372 PY - 1952/// CY - New York PB - McGraw Hill KW - Differential equations KW - Problems exercises etc N1 - "Including 560 solved problems, completely solved in; "This book is designed primarily to supplement standard ER -