Sajavičius, S. and Sapagovas, M. 2009. Numerical Analysis of the Eigenvalue Problem for One-Dimensional Differential Operator with Nonlocal Integral Conditions. Nonlinear Analysis: Modelling and Control. 14, 1 (Jan. 2009), 115–122. DOI:https://doi.org/10.15388/NA.2009.14.1.14535.