%0 Journal Article %A Bohdana Hladysh %A Alexandr Prishlyak %T Simple Morse functions on an oriented surface with boundary %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2019 %P 354-368 %V 15 %N 3 %U http://geodesic.mathdoc.fr/item/JMAG_2019_15_3_a3/ %G en %F JMAG_2019_15_3_a3