%0 Journal Article %A Yu. A. Ryabov %T Estimates of the radius of convergence for expansions in powers of the parameter and algorithms for construction of Mathieu functions %J Differencialʹnye uravneniâ %D 1979 %P 1993-2003 %V 15 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_11_a8/ %G ru %F DE_1979_15_11_a8