@article{CM_1967__18_1-2_162_0,
     author = {Goyal, Vinod B.},
     title = {Bounds for the solutions of $\Delta \omega \geqq P(r)f(w)$},
     journal = {Compositio Mathematica},
     pages = {162--169},
     publisher = {P. Noordhoff N. V., Groningen},
     volume = {18},
     number = {1-2},
     year = {1967},
     zbl = {0146.34502},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1967__18_1-2_162_0/}
}