TY - JOUR AU - N. N. Elkin TI - Diffractive eigenmode calculations in unstable optical resonators with gain medium JO - Matematičeskoe modelirovanie PY - 1990 SP - 104 EP - 119 VL - 2 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_1990_2_5_a6/ LA - ru ID - MM_1990_2_5_a6 ER -