1. [1] Allard, W. K. On the first variation of a varifold., Ann. Math., Volume 95 (1972), pp. 417-491
2. [2] Almgren, F.; Taylor, J. E.; Wang, L. Curvature-driven flows: a variational approach, SIAM J. Control Optimization, Volume 31 (1993) no. 2, pp. 387-438
3. [3] Anderson, C. R. A Rayleigh–Chebyshev procedure for finding the smallest eigenvalues and associated eigenvectors of large sparse Hermitian matrices, J. Comput. Phys., Volume 229 (2010) no. 19, pp. 7477-7487
4. [4] Barbaresco, F. Computation of most threatening radar trajectories areas and corridors based on fast-marching & level sets, IEEE Symposium on Computational Intelligence for Security and Defence Applications (2011), pp. 51-58
5. [5] Bardi, M.; Capuzzo-Dolcetta, I. Optimal control and viscosity solutions of Hamilton–Jacobi–Bellman equations, Modern Birkhäuser Classics, Birkhäuser, 2008