@article{AA_2017_29_3_a0,
     author = {F. L. Bakharev and S. G. Matveenko and S. A. Nazarov},
     title = {Rectangular lattices of cylindrical quantum {waveguides.~I.} {Spectral} problems in a~finite cross},
     journal = {Algebra i analiz},
     pages = {1--22},
     publisher = {mathdoc},
     volume = {29},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2017_29_3_a0/}
}