TY - JOUR TI - Summaries of Papers Appearing in this Issue JO - Applications of Mathematics PY - 1980 VL - 25 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1980.103832/ DO - 10.21136/AM.1980.103832 LA - en ID - 10_21136_AM_1980_103832 ER -