%0 Journal Article %T Summaries of Papers Appearing in this Issue %J Applications of Mathematics %D 1973 %P 77 %V 18 %N 2 %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1973.103452/ %R 10.21136/AM.1973.103452 %G en %F 10_21136_AM_1973_103452