@article{RM_1974_29_6_a20,
     author = {M. I. Yakobzon},
     title = {Two-dimensional {Abelian} varieties that have indefinite quaternions as endomorphism algebra},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1974},
     volume = {29},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1974_29_6_a20/}
}