Pupalaigė K, Sapagovas M, Čiupaila R. Nonlinear elliptic equation with nonlocal integral boundary condition depending on two parameters. MMA [Internet]. 2022Nov.10 [cited 2024Dec.22];27(4):610–628. Available from: https://jeelm.vgtu.lt/index.php/MMA/article/view/16209