Rudolph Ernest Langer

Boundary problems in differential equations : proceedings of a symposium conducted by the Mathematics Research Center, at the University of Wisconsin, Madison, April 20-22, 1959

Rudolph Ernest Langer, 1960 .

CHAPTER II. INTRODUCTION TO SPACE-TIME

Rudolph Ernest Langer, George D. Birkhoff, R. Langer, 1927 .

Partial differential equations and continuum mechanics : proceedings of an international conference conducted by the Mathematics Research Center at the University of Wisconsin, Madison, June 7-15, 1960

Rudolph Ernest Langer, 1961 .

The Boundary Problems and Developments Associated with a System of Ordinary Linear Differential Equations of the First Order

Rudolph Ernest Langer, George D. Birkhoff, R. Langer, 1923 .

Relativity And Modern Physics

Rudolph Ernest Langer, George D. Birkhoff, R. Langer, 1925 .