Uchaikin VV, Litvinov VA, Kozhemjakina E. Nonlinear Modifications of Perturbation Theory with Applications to Complex System Analysis. DNC [Internet]. 2026 Aug. 17 [cited 2026 Aug. 17];7(3):327-54. Available from: https://lhscientificpublishing.com/index.php/DNC/article/view/1897