Drake, David A.. "Projective Extensions of Uniform Affine Hjelmslev Planes.." Mathematische Zeitschrift 105 (1968): 196-207. <http://eudml.org/doc/170977>.
@article{Drake1968, author = {Drake, David A.}, journal = {Mathematische Zeitschrift}, keywords = {foundations of geometry}, pages = {196-207}, title = {Projective Extensions of Uniform Affine Hjelmslev Planes.}, url = {http://eudml.org/doc/170977}, volume = {105}, year = {1968}, }
TY - JOUR AU - Drake, David A. TI - Projective Extensions of Uniform Affine Hjelmslev Planes. JO - Mathematische Zeitschrift PY - 1968 VL - 105 SP - 196 EP - 207 KW - foundations of geometry UR - http://eudml.org/doc/170977 ER -