TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1964 SP - 470 EP - 473 VL - 9 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1964.102926/ DO - 10.21136/AM.1964.102926 LA - cs ID - 10_21136_AM_1964_102926 ER -