TY  - BOOK
AU  - Urakawa Hajime
TI  - Calculus of variations and harmonic maps
U1  - 510TM 
PY  - 1993///
CY  - Providence
PB  - AMS
KW  - Calculus
KW  - Harmonic maps
KW  - Mathematics
N1  - Translated by author himself
ER  -