Natasa Krejic Zorana Luzanin Irena Stojkovska Gauss-Newton-based BFGS method with filter for unconstrained minimization. 354-362 2009 211 Applied Mathematics and Computation 2 http://dx.doi.org/10.1016/j.amc.2009.01.041 db/journals/amc/amc211.html#KrejicLS09