Baker, C.; Lane, N. D.; Lorimer, J. W. Order and topology in projective Hjelmslev planes. (English) Zbl 0505.51017 J. Geom. 19, 8-42 (1982). MSC: 51G05 51H10 × Cite Format Result Cite Review PDF Full Text: DOI
Lorimer, J. W. Connectedness in topological Hjelmslev planes. (English) Zbl 0413.51007 Ann. Mat. Pura Appl., IV. Ser. 118, 199-216 (1978). MSC: 51C05 51H10 × Cite Format Result Cite Review PDF Full Text: DOI
Lorimer, J. W. Topological Hjelmslev planes. (English) Zbl 0393.51004 Geom. Dedicata 7, 185-207 (1978). MSC: 51C05 51H10 × Cite Format Result Cite Review PDF Full Text: DOI