TY - JOUR AU - L. D. Zamkobaya TI - On a method of ``freezing'' for discrete systems JO - Differencialʹnye uravneniâ PY - 1980 SP - 697 EP - 704 VL - 16 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1980_16_4_a11/ LA - ru ID - DE_1980_16_4_a11 ER -