TY - JOUR TI - News and Notices. Seventh Prague Topological Symposium JO - Applications of Mathematics PY - 1990 SP - 424 VL - 35 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1990.104423/ DO - 10.21136/AM.1990.104423 LA - en ID - 10_21136_AM_1990_104423 ER -