@article{10_21136_AM_1984_104115,
     author = {Hu\v{t}a, Anton and Penjak, Vladim{\'\i}r},
     title = {A contribution to {Runge-Kutta} formulas of the 7th order with rational coefficients for systems of differential equations of the first order},
     journal = {Applications of Mathematics},
     pages = {411--422},
     publisher = {mathdoc},
     volume = {29},
     number = {6},
     year = {1984},
     doi = {10.21136/AM.1984.104115},
     mrnumber = {0767494},
     zbl = {0558.65047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1984.104115/}
}