TY - JOUR TI - News and Notices JO - Applications of Mathematics PY - 1964 SP - 398 VL - 9 IS - 5 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1964.102916/ DO - 10.21136/AM.1964.102916 LA - cs ID - 10_21136_AM_1964_102916 ER -