TY - JOUR AU - F. I. Frankl' AU - L. N. Gutman TI - A stationary problem concerning the motion of a cold layer of air over a cross-country JO - Doklady Akademii Nauk PY - 1961 SP - 77 EP - 79 VL - 141 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_141_1_a19/ LA - ru ID - DAN_1961_141_1_a19 ER -