N. KRYLOFF, N. BOGOLIUBOV
La solution approchée du problème de Dirichlet
S. n.|s. l. 1929|18.50 x 26 cm|broché
First edition published in a small number of copies.
A small tear at head of spine, otherwise a rare and handsome copy.
A small tear at head of spine, otherwise a rare and handsome copy.
€40