@article{10_4153_CMB_1983_028_3,
     author = {Swanson, C. A.},
     title = {Extremal {Positive} {Solutions} of {Semilinear} {Schr\"odinger} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {171--178},
     year = {1983},
     volume = {26},
     number = {2},
     doi = {10.4153/CMB-1983-028-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1983-028-3/}
}