On the asymptotic solutions of ordinary linear differential equations about a turning point / given by Rudolph E. LangerRudolph Ernest Langer · First published 1954Open the Tome
Relativity and modern physics. By G. D. Birkhoff, with the coöperation of R. E. Langer ...Manning, Henry Parker · First published 1925Open the Tome
Estetica e antropologia in Susanne K. LangerDana Svorova, Susanne Katherina (Knauth) Langer, Centro internazionale studi di estetica · First published 2013Open the Tome
