@article{MZM_1990_47_5_a20,
     author = {V. A. Malovichko},
     title = {On the solvability of nonlocal boundary value problems for pseudoparabolic systems and systems of composite type},
     journal = {Matemati\v{c}eskie zametki},
     pages = {151--154},
     publisher = {mathdoc},
     volume = {47},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1990_47_5_a20/}
}