@article{SMZ_2007__48_4_55610,
     author = {Korobkov, M.V. and Panov, E.Yu.},
     title = {Necessary and sufficient conditions for a curve to be the gradient range of a -smooth function.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {789},
     publisher = {mathdoc},
     volume = {48},
     number = {4},
     year = {2007},
     zbl = {1164.26326},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_4_55610/}
}