@article{VTAMU_2018_23_123_a22,
     author = {G. Petrosyan},
     title = {On the formal representation of solutions of differential equations of fractional order},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {524--530},
     publisher = {mathdoc},
     volume = {23},
     number = {123},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2018_23_123_a22/}
}