TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1956 SP - 445 EP - 449 VL - 1 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1956.102545/ DO - 10.21136/AM.1956.102545 LA - cs ID - 10_21136_AM_1956_102545 ER -