@article{10_2307_2661354,
     author = {Krzysztof Kurdyka and Tadeusz Mostowski and Adam Parusinski},
     title = {Proof of the gradient conjecture of {R.} {Thom.}},
     journal = {Annals of mathematics},
     year = {2000},
     volume = {152},
     number = {3},
     doi = {10.2307/2661354},
     zbl = {1053.37008},
     url = {http://geodesic.mathdoc.fr/articles/10.2307/2661354/}
}