@article{JSFU_2008_1_2_a5,
     author = {Nikolai N. Tarkhanov},
     title = {Boundary {Value} {Problems} with {Non-Local} {Conditions}},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {158--187},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2008_1_2_a5/}
}