@article{AM2_1989__37_2-3_137310,
     author = {Sherman Stein},
     title = {Equidissections of centrally symmetric octagons.},
     journal = {Aequationes mathematicae},
     pages = {313--318},
     publisher = {mathdoc},
     volume = {37},
     number = {2-3},
     year = {1989},
     zbl = {0681.52008},
     url = {http://geodesic.mathdoc.fr/item/AM2_1989__37_2-3_137310/}
}