@article{10_1090_S0894_0347_1988_0944576_7,
     author = {Koll\~A{\textexclamdown}r, J\~A{\textexclamdown}nos},
     title = {Sharp effective {Nullstellensatz}},
     journal = {Journal of the American Mathematical Society},
     pages = {963--975},
     publisher = {mathdoc},
     volume = {01},
     number = {4},
     year = {1988},
     doi = {10.1090/S0894-0347-1988-0944576-7},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1988-0944576-7/}
}