@article{DE_2005_41_2_a12,
     author = {V. S. Il'kiv},
     title = {A {Nonlocal} {Boundary} {Value} {Problem} for {Systems} of {Infinite-Order} {Partial} {Differential} {Equations}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {250--257},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2005_41_2_a12/}
}