@article{10_5427_jsing_2017_16e,
     author = {Olivier Thom},
     title = {Pairs of {Morse} functions},
     journal = {Journal of Singularities},
     pages = {115--129},
     publisher = {mathdoc},
     volume = {16},
     year = {2017},
     doi = {10.5427/jsing.2017.16e},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2017.16e/}
}