%0 Journal Article %T Summaries of Papers Appearing in this Issue %J Applications of Mathematics %D 1970 %P 154 %V 15 %N 2 %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1970.103280/ %R 10.21136/AM.1970.103280 %G en %F 10_21136_AM_1970_103280