TY - JOUR AU - O. A. Zagryadskii TI - The relations between the Bertrand, Bonnet, and Tannery classes JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2014 SP - 62 EP - 64 IS - 6 UR - http://geodesic.mathdoc.fr/item/VMUMM_2014_6_a10/ LA - ru ID - VMUMM_2014_6_a10 ER -