Berikkhanova, M. and Sherniyazov, K. (2021) “The Informative Power of All Possible Linear Functionals and The Mean-Square Error in the Discretization of Solutions of the Dirichlet Problem For the Laplace Equation in the Circle”, Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, computer science, mechanics series, 134(1), pp. 42–51. doi: 10.32523/2616-678X-2020-134-1-42-51.