K.N. Ospanov, Ye.O. Moldagali
CORRECTNESS CONDITIONS FOR FOURTH ORDER DIFFERENTIAL EQUATIONS WITH VARIABLE COEFFICIENTS
[2025] 116-123
A. Sarsenbayeva, S. Kasenov, Zh. Askerbekova, A. Tleulesova
DERIVATION OF THE GRADIENT OF THE INVERSE PROBLEM FUNCTIONAL FOR THE HELMHOLTZ EQUATION
[2024] 49-56