@article{DAN_1967_173_5_a3,
     author = {I. S. Iokhvidov},
     title = {Spectral trajectories generated by unitary extensions of isometric shift operators in a finite-dimensional space $\Pi_1$},
     journal = {Doklady Akademii Nauk},
     pages = {1002--1005},
     publisher = {mathdoc},
     volume = {173},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_173_5_a3/}
}