TY - JOUR AU - A. V. Prokopchuk AU - V. I. Yanchevskii TI - On another proof for B.~Sury's theorem JO - Zapiski Nauchnykh Seminarov POMI PY - 2009 SP - 196 EP - 207 VL - 365 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2009_365_a10/ LA - ru ID - ZNSL_2009_365_a10 ER -