Carlota, C., M. Lopes, and A. Ornelas. “Existence of Scalar Minimizers for 0-Nonconvex Autonomous Single Integrals With Relaxed Lagrangian at Zero Velocity Having No Isolated Local Minimum Points”. Contemporary Mathematics, vol. 7, no. 1, Jan. 2026, pp. 552-68, doi:10.37256/cm.7120267482.