Bulletin of the American Mathematical Society

Abelian Abelian group adjoint curves algebraic American Mathematical Society analytic applied Auflage b₁ BULLETIN calculus chapter circle coefficients commutative complex conic contact transformations contains coördinates corresponding cubic curve of order Darboux degree derived determined differential equation EDGAR ODELL LOVETT elements elliptic fessor finite number functions Galois geometry given Goursat group G Hence identical infinitesimal transformation integral intersection interval invariant involution Klein Kummer surface Leipzig Lie's line geometry linear Mathe mathématiques Mathematische Annalen matics method motion operators paper parameter Paris partial differential equations Ph.D plane point group point transformation polynomial problem Professor of Mathematics proof quadratic quadratic space quintic quotient group rational roots second order singular solution space sphere straight line subgroup substitution surface tangent theorem theory tion Ueber University values variables x₁ y₁ York zero