Radziunas, Mindaugas, Eduard Kuhn, and Hans Wenzel. “Solving a Spectral Problem for Large-Area Photonic Crystal Surface-Emitting Lasers”. Mathematical Modelling and Analysis 29, no. 3 (June 27, 2024): 575–599. Accessed December 23, 2024. https://jeelm.vgtu.lt/index.php/MMA/article/view/20496.