1.
Volpert V, Vougalter V. Solvability Conditions For Some Non Fredholm Operators in a Layer in Four Dimensions. DNC [Internet]. 2026 Aug. 17 [cited 2026 Aug. 17];3(1):59-71. Available from: https://lhscientificpublishing.com/index.php/DNC/article/view/2052