@article{02175913, title = {The conjugacy problem for groups, and Higman embeddings.}, journal = {Electronic Research Announcements of the American Mathematical Society [electronic only]}, volume = {9}, year = {2003}, pages = {40-50}, doi = {10.1090/S1079-6762-03-00110-0}, zbl = {1069.20023}, language = {en}, url = {http://dml.mathdoc.fr/item/02175913} }
Ol'shanskii, A.Yu.; Sapir, M.V. The conjugacy problem for groups, and Higman embeddings.. Electronic Research Announcements of the American Mathematical Society [electronic only], Tome 9 (2003) pp. 40-50. doi : 10.1090/S1079-6762-03-00110-0. http://gdmltest.u-ga.fr/item/02175913/