M. M. Sulaymonov, M. M. Otaboev 2022. SOME SECOND ORDER DIFFERENTIAL EQUATIONS FUNCTIONALLY INVARIANT SOLUTIONS. JournalNX - A Multidisciplinary Peer Reviewed Journal. 8, 12 (Dec. 2022), 584–591. DOI:https://doi.org/10.17605/OSF.IO/8R654.