Calculus of variations and partial differntial equations of the first order
Cartheodory,C
Calculus of variations and partial differntial equations of the first order - London Holden Day 1967 - xviii,175-389p p.
Calculus of variations
Calculus of variations and partial differntial equations of the first order - London Holden Day 1967 - xviii,175-389p p.
Calculus of variations