The collineation groups of the finite affine and projective planes with four lines through each point
1956 ◽
Vol 20
(3-4)
◽
pp. 165-177
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1971 ◽
Vol 4
(3)
◽
pp. 361-366
◽
1979 ◽
Vol 49
(1)
◽
pp. 155-182
◽
1985 ◽
Vol 13
(7)
◽
pp. 1509-1534
◽