%0 Journal Article %A O. A. Zagryadskii %T Bertrand surfaces with a pseudo-Riemannian metric of revolution %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2015 %P 66-69 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2015_1_a13/ %G ru %F VMUMM_2015_1_a13