Carslaw, H S .
Plane trigonometry / Textual Documents H S Carslaw. - 3 / . - New York : McGraw Hill Book Company , 1962. - 315 ; .
516.242 / CAR/PL
Plane trigonometry / Textual Documents H S Carslaw. - 3 / . - New York : McGraw Hill Book Company , 1962. - 315 ; .
516.242 / CAR/PL