TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1963 SP - 471 EP - 472 VL - 8 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1963.102877/ DO - 10.21136/AM.1963.102877 LA - cs ID - 10_21136_AM_1963_102877 ER -