[1]
Čiupaila, R. et al. 2004. On the Eigenvalue Problem for One-Dimensional Differential Operator with Nonlocal Integral Condition. Nonlinear Analysis: Modelling and Control. 9, 2 (Apr. 2004), 109–116. DOI:https://doi.org/10.15388/NA.2004.9.2.15159.