00415nam a2200169Ia 4500 170901s1972 xx 000 0 und d 517.37 C33O Churchill, Ruel V. Operational Mathematics 3 Tokyo McGraw-Hill Kogakusha, Ltd. 1972 481 Mathematics Pure Sciences Mathematics ddc BK 4724 4724 0 0 ddc 0 0 RAU RAU 2017-10-18 T M H, New Delhi USD 6.95 0 517.37 C33O 25512 2017-10-18 1981-06-01 BK