TY - JOUR AU - V. Ya. Rivkind TI - On an estimate of an error in approximate methods of calculation of viscous non-compressible flows with a~free boundary JO - Zapiski Nauchnykh Seminarov POMI PY - 1980 SP - 247 EP - 254 VL - 96 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1980_96_a23/ LA - ru ID - ZNSL_1980_96_a23 ER -