TY - JOUR TI - Recenze JO - Applications of Mathematics PY - 1991 SP - 407 EP - 408 VL - 36 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1991.104476/ DO - 10.21136/AM.1991.104476 LA - cs ID - 10_21136_AM_1991_104476 ER -