For citations:

Belyaev V.A., Shapeev V.P. Versions of the Collocation and Least Residuals Method for Solving Problems of Mathematical Physics in the Convex Quadrangular Domains. Modeling and Analysis of Information Systems. 2017;24(5):629-648. (In Russ.) https://doi.org/10.18255/1818-1015-2017-5-629-648