@article{JEMS_2000_2_4_a1,
     author = {Michael Struwe},
     title = {Positive solutions of critical semilinear elliptic equations on non-contractible planar domains},
     journal = {Journal of the European Mathematical Society},
     pages = {329--388},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {2000},
     doi = {10.1007/s100970000023},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s100970000023/}
}