@article{ND_2010_6_2_a0,
     author = {R. E. Kondrashov and A. D. Morozov},
     title = {On investigation of resonances in system of two {Duffing{\textendash}van~der~Pol} equations},
     journal = {Russian journal of nonlinear dynamics},
     pages = {241--254},
     year = {2010},
     volume = {6},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2010_6_2_a0/}
}