TY - JOUR TI - Recense JO - Applications of Mathematics PY - 1967 SP - 318 EP - 323 VL - 12 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1967.103105/ DO - 10.21136/AM.1967.103105 LA - cs ID - 10_21136_AM_1967_103105 ER -