%0 Journal Article %A F. Kh. Baichorova %A Z. S. Elkanova %T Commuting differential operators of orders~4 and~6 %J Ufa mathematical journal %D 2013 %P 11-19 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UFA_2013_5_3_a1/ %G en %F UFA_2013_5_3_a1