TY - JOUR AU - Ya. Il'yasov TI - On finding bifurcations for nonvariational elliptic systems by the extended quotients method JO - Zapiski Nauchnykh Seminarov POMI PY - 2024 SP - 140 EP - 155 VL - 536 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2024_536_a7/ LA - en ID - ZNSL_2024_536_a7 ER -