%0 Journal Article %A Juhani V. Vainio %T On the type of sewing functions with a singularity %J Annales Fennici Mathematici %D 1989 %P 161-167 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1989.1432/ %R 10.5186/aasfm.1989.1432 %G en %F AFM_1989_14_1_a15