TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1960 SP - 398 EP - 400 VL - 5 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1960.102726/ DO - 10.21136/AM.1960.102726 LA - cs ID - 10_21136_AM_1960_102726 ER -