@article{MZ_1972__125_171709,
     author = {Vassili C. Mavron},
     title = {On the {Structure} of {Affine} {Designs.}},
     journal = {Mathematische Zeitschrift},
     pages = {298--316},
     publisher = {mathdoc},
     volume = {125},
     year = {1972},
     zbl = {0227.05009},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__125_171709/}
}