TY - JOUR TI - News and Notices JO - Applications of Mathematics PY - 1962 SP - 170 VL - 7 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1962.102798/ DO - 10.21136/AM.1962.102798 LA - cs ID - 10_21136_AM_1962_102798 ER -