Open AccessOn the Double Tangents of Plane Closed Curves.
Author(s) -
Fr. Fabricius-Bjerre
Publication year - 1962
Publication title -
mathematica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.553
H-Index - 30
eISSN - 1903-1807
pISSN - 0025-5521
DOI - 10.7146/math.scand.a-10656
Subject(s) - mathematics , tangent , geometry , plane (geometry) , plane curve , mathematical analysis