@article{JSFU_2009_2_3_a3,
     author = {Polina Yu. Vyacheslavova and Roman V. Sorokin},
     title = {The {Problem} of {Identification} of {Coefficients} by the {Lowest} {Terms} for {a~Composite} {Type} {System}},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {288--297},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2009_2_3_a3/}
}