TY - JOUR AU - A. N. Leznov AU - M. V. Saveliev TI - Two-dimensional nonlinear system of differential equations $x_{\alpha,z\overline{z}}=\exp(kx)_\alpha$ JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1980 SP - 87 EP - 88 VL - 14 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1980_14_3_a16/ LA - ru ID - FAA_1980_14_3_a16 ER -