Envelopes /
Boltianskii, V. G.
Envelopes / by V.G. Boltyanskii ; translated and adapted from the Russian by Robert B. Brown. - New York : Pergamon Press, 1964. - ix, 76 p. :
"A Pergamon Press book."
2028
Envelopes (Geometry)
516 / En
Envelopes / by V.G. Boltyanskii ; translated and adapted from the Russian by Robert B. Brown. - New York : Pergamon Press, 1964. - ix, 76 p. :
"A Pergamon Press book."
2028
Envelopes (Geometry)
516 / En