Periodic solutions of difference Runge-Kutta schemes

Kartashkin V.A., Abashidze A.Kh.

Mandal T.K., Mobio I.G., Kuznetsov V.V., Litvinov A.Zh., Denisov E.N., Fedorov V.O., Andreeva E.I., Soldatenkov A.T., Prostakov N.S.