TY - JOUR TI - News and Notices JO - Applications of Mathematics PY - 1966 SP - 258 VL - 11 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1966.103024/ DO - 10.21136/AM.1966.103024 LA - cs ID - 10_21136_AM_1966_103024 ER -