Ivanauskas, F., & Rutkauskas, S. (2014). Special Issue dedicated to Professor M. Sapagovas 75th Anniversary NUMERICAL ANALYSIS FOR BOUNDARY VALUE PROBLEMS WITH NONLOCAL CONDITIONS. Guest Editors: Mifodijus Sapagovas, Regimantas Čiupaila, Artūras Štikonas. Preface. Nonlinear Analysis: Modelling and Control, 19(3), 1-2. https://doi.org/10.15388/NA.2014.3.0