@article{IIGUM_2019_27_a4,
     author = {N. A. Sidorov},
     title = {Classic solutions of boundary value problems for partial differential equations with operator of finite index in the main part of equation},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {55--70},
     publisher = {mathdoc},
     volume = {27},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2019_27_a4/}
}