TY - JOUR AU - Volodimir Gavran AU - Vitaliy Stepukh TI - On weakly semisimple derivations of the polynomial ring in two variables JO - Algebra and discrete mathematics PY - 2014 SP - 50 EP - 58 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2014_18_1_a6/ LA - en ID - ADM_2014_18_1_a6 ER -