@article{10_4064_sm_96_1_73_80,
     author = {A. Parusi\'nski},
     title = {Gradient homotopies of gradient vector fields},
     journal = {Studia Mathematica},
     pages = {73--80},
     year = {1990},
     volume = {96},
     number = {1},
     doi = {10.4064/sm-96-1-73-80},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-96-1-73-80/}
}