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@article{MV_1970_22_4_a9, author = {M. Trifunovi\v{c}}, title = {2 - kratnaya polnota sistemy sobstvennyh i prisoedinennyh funkcij differencial'nogo operatora $L_{2}(\lambda)$}, journal = {Matemati\v{c}ki vesnik}, pages = {519 }, publisher = {mathdoc}, volume = {22}, number = {4}, year = {1970}, url = {http://geodesic.mathdoc.fr/item/MV_1970_22_4_a9/} }
M. Trifunovič. 2 - kratnaya polnota sistemy sobstvennyh i prisoedinennyh funkcij differencial'nogo operatora $L_{2}(\lambda)$. Matematički vesnik, Tome 22 (1970) no. 4, p. 519 . http://geodesic.mathdoc.fr/item/MV_1970_22_4_a9/