TY - JOUR AU - D. P. Zeragiâ TI - Existence of a bifurcation point for a class of nonlinear operators JO - Doklady Akademii Nauk PY - 1992 SP - 19 EP - 21 VL - 326 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1992_326_1_a2/ LA - ru ID - DAN_1992_326_1_a2 ER -