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Open public full textRights: UNKNOWN · https://www.elsevier.com/tdm/userlicense/1.0/ · Source: journal-auto-sync:external:CROSSREF_ISSN
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Privacy-aware community infrastructureIgor V. Nikolaev
Abstract
Rights: UNKNOWN · https://www.elsevier.com/tdm/userlicense/1.0/ · Source: journal-auto-sync:external:CROSSREF_ISSN
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On differential equations and umbilici
10.1080/14786446308643575 · 1863
Sur la forme des lignes de courbure dans la voisinage d'un ombilic
1896
Singularities of vector fields on the plane
10.1016/0022-0396(77)90136-x · 1977
Structurally stable configurations of lines of principal curvature
1982
Unresolved referenced work
1994
Foliations on Surfaces
2000
Unresolved referenced work
1988
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