Applications of algebraic topology: graphs and networks : the Picard-Lefschetz theory and Feynman integrals /

by Lefschetz, S. 1884-.
Published 1975

Introduction to topology /

by Lefschetz, Solomon, 1884-.
Published 1949

Stability of nonlinear control systems /

by Lefschetz, Solomon, 1884-.
Published 1965

Stability by Liapunov's direct method : with applications /

by La Salle, Joseph P.
Published 1961