@article{VYURU_2014_7_3_a1,
     author = {E. V. Bukhonova},
     title = {The {Form} of {Key} {Function} in the {Problem} of {Branching} of {Periodic} {Extremals} with {Resonance~1:1:1}},
     journal = {Vestnik \^U\v{z}no-Uralʹskogo gosudarstvennogo universiteta. Seri\^a, Matemati\v{c}eskoe modelirovanie i programmirovanie},
     pages = {23--32},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VYURU_2014_7_3_a1/}
}