TY - JOUR AU - V. A. Levin AU - A. A. Sorokin AU - A. M. Starik TI - On mechanisms of self-focusing during the propagation of laser radiation with wavelength $\lambda_I\approx2{,}8$ mkm in humid atmosphere JO - Doklady Akademii Nauk PY - 1989 SP - 1073 EP - 1077 VL - 304 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_304_5_a10/ LA - ru ID - DAN_1989_304_5_a10 ER -