@article{GDZPPN001169475, title = {Rapidly Convergent Recursive Solution of Quadratic Operator Equations.}, journal = {Numerische Mathematik}, volume = {18}, year = {1971}, pages = {1-16}, zbl = {0249.65035}, url = {http://dml.mathdoc.fr/item/GDZPPN001169475} }
LEIPNIK, R.B. Rapidly Convergent Recursive Solution of Quadratic Operator Equations.. Numerische Mathematik, Tome 18 (1971) pp. 1-16. http://gdmltest.u-ga.fr/item/GDZPPN001169475/