The calculus of extension /
Forder, H. G.
The calculus of extension / by Henry George Forder ; including examples by Robert William Genese. - Cambridge : Cambridge University Press, 1941. - xv, [1], 490 p. :
567
Calculus.
515 / Ca
The calculus of extension / by Henry George Forder ; including examples by Robert William Genese. - Cambridge : Cambridge University Press, 1941. - xv, [1], 490 p. :
567
Calculus.
515 / Ca