@article{VSGU_2019_25_3_a1,
     author = {I. N. Parasidis and E. Providas},
     title = {Integro-differential equations embodying powers of a differential operator},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {12--21},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2019_25_3_a1/}
}