TY - JOUR AU - A. N. Kucherov TI - Self-focusing and quasiwaveguide propagation of a Gaussian beam in a supersonic current of gas JO - Doklady Akademii Nauk PY - 1980 SP - 309 EP - 311 VL - 251 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_251_2_a12/ LA - ru ID - DAN_1980_251_2_a12 ER -