Ivanauskas, Feliksas, and Gintaras Puriuškis. “Blow-up of the Solution of a Nonlinear Schrödinger Equation System With Periodic Boundary Conditions”. Nonlinear Analysis: Modelling and Control 18, no. 1 (January 25, 2013): 53–65. Accessed May 5, 2024. https://www.journals.vu.lt/nonlinear-analysis/article/view/14031.