TY - JOUR TI - Summaries of Papers Appearing in this Issue JO - Applications of Mathematics PY - 1973 SP - 304 VL - 18 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1973.103481/ DO - 10.21136/AM.1973.103481 LA - en ID - 10_21136_AM_1973_103481 ER -