TY - JOUR AU - M. D. Siddiqi AU - Sh. A. Siddiqui TI - $k$-Yamabe and quasi $k$-Yamabe solitons on imperfect fluid generalized Robertson --- Walker spacetime JO - Matematičeskaâ fizika i kompʹûternoe modelirovanie PY - 2022 SP - 21 EP - 33 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VVGUM_2022_25_1_a1/ LA - en ID - VVGUM_2022_25_1_a1 ER -