@article{CHFMJ_2021_6_3_a0, author = {A. R. Volkova and E. M. Izhberdeeva and V. E. Fedorov}, title = {Initial value problems for equations with a composition of fractional derivatives}, journal = {\v{C}el\^abinskij fiziko-matemati\v{c}eskij \v{z}urnal}, pages = {269--277}, publisher = {mathdoc}, volume = {6}, number = {3}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/CHFMJ_2021_6_3_a0/} }