Haimo, Franklin. "Free subgroups in the endomorphism ring of an Abelian free group." Portugaliae mathematica 40.4 (1981): 393-398. <http://eudml.org/doc/115466>.
@article{Haimo1981, author = {Haimo, Franklin}, journal = {Portugaliae mathematica}, keywords = {free group; ring of endomorphisms of a free abelian group; matrices}, language = {eng}, number = {4}, pages = {393-398}, publisher = {Sociedade Portuguesa de Matemática}, title = {Free subgroups in the endomorphism ring of an Abelian free group}, url = {http://eudml.org/doc/115466}, volume = {40}, year = {1981}, }
TY - JOUR AU - Haimo, Franklin TI - Free subgroups in the endomorphism ring of an Abelian free group JO - Portugaliae mathematica PY - 1981 PB - Sociedade Portuguesa de Matemática VL - 40 IS - 4 SP - 393 EP - 398 LA - eng KW - free group; ring of endomorphisms of a free abelian group; matrices UR - http://eudml.org/doc/115466 ER -
