TY - JOUR TI - Summaries of Papers Appearing in this Issue JO - Applications of Mathematics PY - 1975 SP - 460 VL - 20 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1975.103614/ DO - 10.21136/AM.1975.103614 LA - en ID - 10_21136_AM_1975_103614 ER -