%0 Journal Article %T News and Notices %J Applications of Mathematics %D 1985 %V 30 %N 4 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/AM.1985.104156/ %R 10.21136/AM.1985.104156 %G en %F 10_21136_AM_1985_104156