Argyros, Ioannis K.. "Remarks on quadratic equations in Banach space.." International Journal of Mathematics and Mathematical Sciences 13.3 (1990): 611-616. <http://eudml.org/doc/46508>.
@article{Argyros1990, author = {Argyros, Ioannis K.}, journal = {International Journal of Mathematics and Mathematical Sciences}, keywords = {quadratic equation; symmetric bilinear form on a Banach space; fixed point; Existence theorems}, language = {eng}, number = {3}, pages = {611-616}, publisher = {Hindawi Publishing Corporation, New York}, title = {Remarks on quadratic equations in Banach space.}, url = {http://eudml.org/doc/46508}, volume = {13}, year = {1990}, }
TY - JOUR AU - Argyros, Ioannis K. TI - Remarks on quadratic equations in Banach space. JO - International Journal of Mathematics and Mathematical Sciences PY - 1990 PB - Hindawi Publishing Corporation, New York VL - 13 IS - 3 SP - 611 EP - 616 LA - eng KW - quadratic equation; symmetric bilinear form on a Banach space; fixed point; Existence theorems UR - http://eudml.org/doc/46508 ER -