@article{ISU_2008_8_3_a1,
     author = {V. A. Yurko},
     title = {Recovering differential operators on a~graph with a~cycle and with generalized matching conditions},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {10--17},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2008_8_3_a1/}
}