%0 Journal Article %T Summaries of Papers Appearing in this Issue %J Applications of Mathematics %D 1976 %P 317 %V 21 %N 5 %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1976.103654/ %R 10.21136/AM.1976.103654 %G en %F 10_21136_AM_1976_103654