no. 1
On the existence of harmonic maps from a surface into the real projective plane
Compositio Mathematica, Tome 59 (1986) no. 1, pp. 15-19 
@article{CM_1986__59_1_15_0,
     author = {Jost, J\"urgen},
     title = {On the existence of harmonic maps from a surface into the real projective plane},
     journal = {Compositio Mathematica},
     pages = {15--19},
     year = {1986},
     publisher = {Martinus Nijhoff Publishers},
     volume = {59},
     number = {1},
     mrnumber = {850117},
     zbl = {0601.58026},
     language = {en},
     url = {https://www.numdam.org/item/CM_1986__59_1_15_0/}
}
TY  - JOUR
AU  - Jost, Jürgen
TI  - On the existence of harmonic maps from a surface into the real projective plane
JO  - Compositio Mathematica
PY  - 1986
SP  - 15
EP  - 19
VL  - 59
IS  - 1
PB  - Martinus Nijhoff Publishers
UR  - https://www.numdam.org/item/CM_1986__59_1_15_0/
LA  - en
ID  - CM_1986__59_1_15_0
ER  - 
%0 Journal Article
%A Jost, Jürgen
%T On the existence of harmonic maps from a surface into the real projective plane
%J Compositio Mathematica
%D 1986
%P 15-19
%V 59
%N 1
%I Martinus Nijhoff Publishers
%U https://www.numdam.org/item/CM_1986__59_1_15_0/
%G en
%F CM_1986__59_1_15_0
Jost, Jürgen. On the existence of harmonic maps from a surface into the real projective plane. Compositio Mathematica, Tome 59 (1986) no. 1, pp. 15-19. https://www.numdam.org/item/CM_1986__59_1_15_0/

[1] F. Adams: Maps from a surface to the projective plane. Bull. London Math. Soc. 14 (1982) 533-534. | Zbl | MR

[2] H. Brezis and J.M. Coron: Large solutions for harmonic maps in two dimensions. Comm. Math. Phys. 92 (1983) 203-215. | Zbl | MR

[3] J. Eells and L. Lemaire: On the construction of harmonic and holomorphic maps between surfaces. Math. Ann. 252 (1980) 27-52. | Zbl | MR | EuDML

[4] J. Jost: The Dirichlet problem for harmonic maps from a surface with boundary onto a 2-sphere with non-constant boundary values. J. Diff. Geom. 19 (1984) 393-401. | Zbl | MR

[5] J. Jost: Harmonic maps between surfaces. Springer Lecture Notes in Math., 1062 (1984). | Zbl | MR

[6] H. Wente: A general existence theorem for surfaces of constant mean curvature. Math. Z. 120 (1971) 277-288. | Zbl | MR | EuDML