Operational Mathematics /
Churchill, Ruel V.
Operational Mathematics / R. V. Churchill - 2nd ed - New York : McGrawHill, 58. - ix, 337p.: 22 x 14,5 cm.
mathematics
518.6/7 / ch563
Operational Mathematics / R. V. Churchill - 2nd ed - New York : McGrawHill, 58. - ix, 337p.: 22 x 14,5 cm.
mathematics
518.6/7 / ch563