TY - JOUR AU - Bureš, Jarolím TI - Some remarks on surfaces in the 4-dimensional Euclidean space JO - Czechoslovak Mathematical Journal PY - 1975 SP - 480 EP - 490 VL - 25 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1975.101342/ DO - 10.21136/CMJ.1975.101342 LA - en ID - 10_21136_CMJ_1975_101342 ER -