TY - JOUR AU - Ya. Sh. Il'yasov TI - Bifurcation Calculus by the Extended Functional Method JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2007 SP - 23 EP - 38 VL - 41 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2007_41_1_a1/ LA - ru ID - FAA_2007_41_1_a1 ER -