“ON REALIZATION OF THE SUPERPOSITION PRINCIPLE FOR A FINITE BUNDLE OF INTEGRAL CURVES OF A SECOND-ORDER BILINEAR DIFFERENTIAL SYSTEM”. Advances in Differential Equations and Control Processes 30, no. 2 (May 27, 2023): 169–197. Accessed January 5, 2026. https://pphmjopenaccess.com/adecp/article/view/223.