BESKIN, N.M.
Dividing a segment in a given ratio / by Beskin, N.m. - Moscow MIR pub. 1975 - 70 p.
59293
512.924 / BES
Dividing a segment in a given ratio / by Beskin, N.m. - Moscow MIR pub. 1975 - 70 p.
59293
512.924 / BES