Zadachin V M

Publications in Math-Net.Ru

1. Factorizations and pseudo-inversions of singular perturbed matrices with nonfixed signs
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1987, no. 11,  42–50
2. Perturbations of regularized symmetric factorizations and the modified Newton method
   
   Dokl. Akad. Nauk SSSR, 288:4 (1986),  818–823