@article{CM_1993__85_2_229_0,
     author = {Howe, Everett W.},
     title = {On the group orders of elliptic curves over finite fields},
     journal = {Compositio Mathematica},
     pages = {229--247},
     publisher = {Kluwer Academic Publishers},
     volume = {85},
     number = {2},
     year = {1993},
     mrnumber = {1204781},
     zbl = {0793.14023},
     language = {en},
     url = {http://www.numdam.org/item/CM_1993__85_2_229_0/}
}