Elementary mathematics: Selected topics and problem solving, by G Dorofeev, M Potapov and N Rozov, tr fr George Yankovsky.

DOROFEEV (G)

Elementary mathematics: Selected topics and problem solving, by G Dorofeev, M Potapov and N Rozov, tr fr George Yankovsky. - Moscow Mir 1973


MATHEMATICS TREATISE

B L3

B L3