TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1967 SP - 486 EP - 489 VL - 12 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1967.103128/ DO - 10.21136/AM.1967.103128 LA - cz ID - 10_21136_AM_1967_103128 ER -