[1]
Arushanyan, O. and Zaletkin, S. 2018. To the orthogonal expansion theory of the solution to the Cauchy problem for second-order ordinary differential equations. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie). 19, 56 (May 2018), 178–184. DOI:https://doi.org/10.26089/NumMet.v19r216.