@article{VUU_2006_1_a6,
     author = {M. A. Klochkov},
     title = {The determination of basis functions of the operator perturbed by the unit rank operator},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {75--80},
     publisher = {mathdoc},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2006_1_a6/}
}