LUKŠAN, L., MATONOHA, C., VLČEK, J. Nonsmooth Equation Method for Nonlinear Nonconvex Optimization. In: KŘÍŽEK, M., NEITTAANMÄKI, P., GLOWINSKI, R., KOROTOV, S., eds. Conjugate Gradient Algorithms and Finite Element Methods. Berlin: SpringerVerlag, 2004, s. 131-145. ISBN 3-540-21319-8. Dostupné z: https://doi.org/10.1007/978-3-642-18560-1_8