TY - JOUR AU - Zelinka, Bohdan TI - Isomorphisms of polar and polarized graphs JO - Czechoslovak Mathematical Journal PY - 1976 SP - 339 EP - 351 VL - 26 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101409/ DO - 10.21136/CMJ.1976.101409 LA - en ID - 10_21136_CMJ_1976_101409 ER -