TY - JOUR AU - S. R. Shinde TI - Complex valued approach to the system of non-linear second order Boundary value problem and multivalued mapping via fixed point method JO - Čebyševskij sbornik PY - 2023 SP - 212 EP - 227 VL - 24 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2023_24_3_a10/ LA - en ID - CHEB_2023_24_3_a10 ER -