On elementary transformations of ruled surfaces.
Journal für die reine und angewandte Mathematik, Tome 346 (1984), pp. 32-35
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Herbert Lange. On elementary transformations of ruled surfaces.. Journal für die reine und angewandte Mathematik, Tome 346 (1984), pp. 32-35. http://geodesic.mathdoc.fr/item/JRAM_1984__346_152584/
@article{JRAM_1984__346_152584,
author = {Herbert Lange},
title = {On elementary transformations of ruled surfaces.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
pages = {32--35},
year = {1984},
volume = {346},
zbl = {0515.14008},
url = {http://geodesic.mathdoc.fr/item/JRAM_1984__346_152584/}
}