Valery V. Karachik, Saparbay K. Massanov, Batirkhan Kh. Turmetov, 1759, 2016, 020118
V. V. Karachik, B. Kh. Turmetov, 2172, PROCEEDINGS OF THE 45TH INTERNATIONAL CONFERENCE ON APPLICATION OF MATHEMATICS IN ENGINEERING AND ECONOMICS (AMEE’19), 2019, 030002
Valery V. Karachik, Batirkhan Kh. Turmetov, 351, Functional Analysis in Interdisciplinary Applications—II, 2021, 75
Batirkhan Turmetov, Valery Karachik, 2365, INTERNATIONAL UZBEKISTAN-MALAYSIA CONFERENCE ON “COMPUTATIONAL MODELS AND TECHNOLOGIES (CMT2020)”: CMT2020, 2021, 060002
V. V. Karachik, “A Neumann-type problem for the biharmonic equation”, Sib. Adv. Math., 27, no. 2, 2017, 103
Valery Karachik, Batirkhan Turmetov, “On solvability of some nonlocal boundary value problems for biharmonic equation”, Mathematica Slovaca, 70, no. 2, 2020, 329
B. Kh. Turmetov, V. V. Karachik, 1789, 2016, 040015
I.A. Gulyashikh, “SOLVABILITY OF ONE NEUMANN-TYPE PROBLEM FOR 3-HARMONIC EQUATION IN A BALL”, MMPh, 9, no. 3, 2017, 5
V. V. Karachik, “Riquier–Neumann Problem for the Polyharmonic Equation in a Ball”, Diff Equat, 54, no. 5, 2018, 648
V. V. Karachik, “Sufficient Conditions for Solvability of One Class of Neumann-Type Problems for the Polyharmonic Equation”, Comput. Math. and Math. Phys., 61, no. 8, 2021, 1276