On singular projective deformations of two second class totally focal pseudocongruences of planes.
Goldberg, Ludmila
International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988), p. 71-80 / Harvested from The Electronic Library of Mathematics
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Publié le : 1988-01-01
DOI : https://doi.org/10.1155/S0161171288000110
EUDML-ID : urn:eudml:doc:46344 
@article{04084472,
     title = {On singular projective deformations of two second class totally focal pseudocongruences of planes.},
     journal = {International Journal of Mathematics and Mathematical Sciences},
     volume = {11},
     year = {1988},
     pages = {71-80},
     doi = {10.1155/S0161171288000110},
     zbl = {0663.53008},
     language = {en},
     url = {http://dml.mathdoc.fr/item/04084472}
}

Goldberg, Ludmila. On singular projective deformations of two second class totally focal pseudocongruences of planes.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 71-80. doi : 10.1155/S0161171288000110. http://gdmltest.u-ga.fr/item/04084472/