TY - JOUR AU - Vikesh Kumar AU - Brij Kishore Tyagi TI - Subgroups of products of para τ-discrete semitopological groups JO - Filomat PY - 2023 SP - 2165 VL - 37 IS - 7 UR - http://geodesic.mathdoc.fr/articles/10.2298/FIL2307165K/ DO - 10.2298/FIL2307165K LA - en ID - 10_2298_FIL2307165K ER -