TY - JOUR AU - G. N. Mil'shtein TI - Linear Ljapunov functions for equations with positive solutions and the root-mean-square stability JO - Doklady Akademii Nauk PY - 1972 SP - 550 EP - 553 VL - 204 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1972_204_3_a9/ LA - ru ID - DAN_1972_204_3_a9 ER -