TY - JOUR TI - Recenze JO - Applications of Mathematics PY - 1991 SP - 492 EP - 496 VL - 36 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1991.104484/ DO - 10.21136/AM.1991.104484 LA - cz ID - 10_21136_AM_1991_104484 ER -