Hlavaty, Vaclav, 1894- Hlavaty, Vaclav, 1894- Differential line geometry / translation based on the German text by Harry Levy, with the cooperation of Lucretia Switser Levy. - Groningen : P. Noordhoff, [1953] LCCN: 54003066 /L Subjects--Topical Terms: Geometry, Differential.Congruences (Geometry) LC Class. No.: QA639 / .H514 Dewey Class. No.: 513.7 516.7*