TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1957 SP - 398 EP - 407 VL - 2 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1957.102589/ DO - 10.21136/AM.1957.102589 LA - cs ID - 10_21136_AM_1957_102589 ER -