Koshanov BD, Kuntuarova AD. EQUIVALENCE OF THE FREDHOLM SOLVABILITY CONDITION FOR THE NEUMANN PROBLEM TO THE COMPLEMENTARITY CONDITION. JMMCS [Internet]. 2021 Oct. 9 [cited 2024 Nov. 21];111(3):39-51. Available from: https://bm.kaznu.kz/index.php/kaznu/article/view/947