TY - JOUR AU - A. B. Morgulis TI - Global regularity of unsteady flows with piecewise-continuous JO - Doklady Akademii Nauk PY - 1997 SP - 607 EP - 609 VL - 354 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1997_354_5_a7/ LA - ru ID - DAN_1997_354_5_a7 ER -