@article{MMKZ_2006_3_a52,
     author = {A. M. Nakhushev},
     title = {On the present state of boundary value problems with a shift for the main types of partial differential equations},
     journal = {Matematicheskoe Modelirovanie i Kraevye Zadachi},
     pages = {170--173},
     publisher = {mathdoc},
     volume = {3},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMKZ_2006_3_a52/}
}