@article{DAN_1965_165_1_a9,
     author = {S. I. Pokhozhaev},
     title = {Eigenfunctions of the equation $\Delta u+\lambda f(u)=0$},
     journal = {Doklady Akademii Nauk},
     pages = {36--39},
     publisher = {mathdoc},
     volume = {165},
     number = {1},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_165_1_a9/}
}