@article{MM_2011_23_5_a1,
     author = {G. G. Yelenin and P. I. Shlyakhov},
     title = {The geometric structure of the parameter space of the three-stage symplectic {Runge--Kutta} methods},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {16--34},
     publisher = {mathdoc},
     volume = {23},
     number = {5},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2011_23_5_a1/}
}