TY - JOUR TI - Recenze JO - Applications of Mathematics PY - 1987 SP - 491 EP - 496 VL - 32 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1987.104279/ DO - 10.21136/AM.1987.104279 LA - cz ID - 10_21136_AM_1987_104279 ER -