@article{PIM_2013_N_S_94_108_a4,
     author = {David E. Blair},
     title = {$\mathcal D$-homothetic {Warping}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {47 },
     publisher = {mathdoc},
     volume = {_N_S_94},
     number = {108},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/PIM_2013_N_S_94_108_a4/}
}