TY - JOUR AU - Šidák, Zbyněk TI - Announcement JO - Applications of Mathematics PY - 1990 VL - 35 IS - 6 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1990.104425/ DO - 10.21136/AM.1990.104425 LA - en ID - 10_21136_AM_1990_104425 ER -