@article{ISU_2009_9_2_a4,
     author = {I. V. Kolesnikova},
     title = {Two-mode branching extremals of smooth functionals with homogeneous features of the sixth order in minima points},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {25--30},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2009_9_2_a4/}
}