BELLMAN,R
PERTURBATION TECHNIQUES IN MATHEMATICS,PHYSICS AND ENGINEERING - NEW YORK Holt, Rinehart & Winston 1964 - 24X15 - ATHENA SERIES .
521.4 B445
PERTURBATION TECHNIQUES IN MATHEMATICS,PHYSICS AND ENGINEERING - NEW YORK Holt, Rinehart & Winston 1964 - 24X15 - ATHENA SERIES .
521.4 B445