TY - JOUR AU - R. K. Romanovskii AU - S. G. Sadovnichuk TI - A~direct method of construction of two-zone solutions of nonlinear equations JO - Matematičeskie zametki PY - 1999 SP - 401 EP - 406 VL - 66 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1999_66_3_a8/ LA - ru ID - MZM_1999_66_3_a8 ER -