For citations:
Shapeev V.P., Vorozhtsov E.V. On Combining Different Acceleration Techniques at the Iterative Solution of PDEs by the Method of Collocations and Least Residuals. Modeling and Analysis of Information Systems. 2017;24(1):39-63. (In Russ.) https://doi.org/10.18255/1818-1015-2017-1-39-63