%0 Journal Article %A E. Mukhamadiev %A A. N. Naimov %T On the homotopy classification of positively homogeneous functions of three variables %J Problemy analiza %D 2021 %P 67-78 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PA_2021_10_2_a5/ %G en %F PA_2021_10_2_a5