@article{CMFD_2016_61_a2,
     author = {N. D. Kopachevskii and K. A. Radomirskaya},
     title = {Abstract mixed boundary-value and spectral conjugation problems and their applications},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {67--102},
     publisher = {mathdoc},
     volume = {61},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2016_61_a2/}
}