@article{MZ_1967__101_170848,
     author = {Judita Cofman},
     title = {Double {Transitivity} in {Finite} {Affine} {Planes.} {I.}},
     journal = {Mathematische Zeitschrift},
     pages = {335--342},
     year = {1967},
     volume = {101},
     zbl = {0183.25002},
     url = {http://geodesic.mathdoc.fr/item/MZ_1967__101_170848/}
}