TY - JOUR AU - Szendrei, Ágnes TI - On closed classes of quasilinear functions JO - Czechoslovak Mathematical Journal PY - 1980 SP - 498 EP - 509 VL - 30 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1980.101699/ DO - 10.21136/CMJ.1980.101699 LA - en ID - 10_21136_CMJ_1980_101699 ER -