Polar reciprocal convex bodies

A Compactness Theorem For Affine Equivalence-Classes of Convex Regions

A. M. Macbeath · Canadian Journal of Mathematics · 1951 · 79 citations · Full text

Natural Sciences, Mathematics, Geometry +16

Hill equations with coexisting periodic solutions

H. Guggenheimer · Journal of Differential Equations · 1969 · 26 citations

Natural Sciences, Mathematics, Differential Equations +12