TY - JOUR TI - Summaries of Papers Appearing in this Issue JO - Applications of Mathematics PY - 1981 VL - 26 IS - 4 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1981.103915/ DO - 10.21136/AM.1981.103915 LA - en ID - 10_21136_AM_1981_103915 ER -