Yermachenko, I., and F. Sadyrbaev. “Quasilinearization and Multiple Solutions of the Emden‐Fowler Type Equation”. Mathematical Modelling and Analysis 10, no. 1 (March 31, 2005): 41-50. Accessed December 22, 2024. https://jeelm.vgtu.lt/index.php/MMA/article/view/9661.