@article{VMP_2001_2_1_a10, author = {G. M. Khammud}, title = {A three-dimensional family of seven-step {Runge-Kutta} methods of order six}, journal = {Numerical methods and programming}, pages = {159--166}, publisher = {mathdoc}, volume = {2}, number = {1}, year = {2001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/VMP_2001_2_1_a10/} }