Differentiation explained
Boltyansky, V G
Differentiation explained V G Boltyansky - - Mir Publishers, Moscow 1977 - - .
Differential equations-- Analysis-- Mathematics
515.35 BOL-D
Differentiation explained V G Boltyansky - - Mir Publishers, Moscow 1977 - - .
Differential equations-- Analysis-- Mathematics
515.35 BOL-D