@article{TRSPY_1959_53_a17,
     author = {I. M. Yarysheva},
     title = {Difference schemes for the solution of {Goursat} problem},
     journal = {Informatics and Automation},
     pages = {342--358},
     publisher = {mathdoc},
     volume = {53},
     year = {1959},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1959_53_a17/}
}