%0 Journal Article %A V. I. Buslaev %T Necessary and sufficient conditions for extending a function to a Carathéodory function %J Sbornik. Mathematics %D 2022 %P 1488-1506 %V 213 %N 11 %U http://geodesic.mathdoc.fr/item/SM_2022_213_11_a1/ %G en %F SM_2022_213_11_a1