@article{EJDE_2006__2006__a81,
     author = {Engl\"ander, J\'anos and Simon, P\'eter L.},
     title = {Nonexistence of solutions to {KPP-type} equations of dimension greater than or equal to one},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2006},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a81/}
}