TY - JOUR TI - Recenze JO - Applications of Mathematics PY - 1990 SP - 252 EP - 256 VL - 35 IS - 3 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1990.104409/ DO - 10.21136/AM.1990.104409 LA - cz ID - 10_21136_AM_1990_104409 ER -