TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1957 SP - 74 EP - 79 VL - 2 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1957.102556/ DO - 10.21136/AM.1957.102556 LA - cs ID - 10_21136_AM_1957_102556 ER -