Mathematics
Mathematics
KOWALEWSKI, GERHARD.
Integrationsmethoden der Liesc..Leipzig, 1933 (Lithoprinted by Edwards Brothers, 1944).
LAMBERT, JOHANN HEINRICH [NON-EUCLIDEAN GEOMETRY].
Observations Trigonometriques.(Berlin, Haude & Spener, 1770).
HARKNESS, JAMES and FRANK MORLEY.
A Treatise on the Theory of Fu..London a. N.Y., Macmillan and Co., 1893.