TY - JOUR AU - Koutník, Václav TI - Seventh Prague Topological Symposium JO - Czechoslovak Mathematical Journal PY - 1992 SP - 191 EP - 192 VL - 42 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1992.128316/ DO - 10.21136/CMJ.1992.128316 LA - en ID - 10_21136_CMJ_1992_128316 ER -