TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1958 SP - 399 EP - 400 VL - 3 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1958.102633/ DO - 10.21136/AM.1958.102633 LA - cs ID - 10_21136_AM_1958_102633 ER -