%0 Journal Article %A O. A. Zagryadskii %T The relations between the Bertrand, Bonnet, and Tannery classes %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2014 %P 62-64 %N 6 %U http://geodesic.mathdoc.fr/item/VMUMM_2014_6_a10/ %G ru %F VMUMM_2014_6_a10