TY - JOUR AU - Ivanov, Nikolay TI - Examples of group amalgamations with nontrivial quasi-kernels JO - Serdica Mathematical Journal PY - 2021 SP - 357 EP - 386 VL - 46 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2021_46_4_a3/ LA - en ID - SMJ2_2021_46_4_a3 ER -