@article{RM_1970_25_5_a15,
     author = {M. H. Zakhar-Itkin},
     title = {A~certain class of boundary value problems that has applications in the theory of multiwave transmission lines},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {25},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1970_25_5_a15/}
}