@article{10_5427_jsing_2020_21b, author = {Ilya Bogaevsky}, title = {Fronts of control-affine systems in {R^3}}, journal = {Journal of Singularities}, pages = {15--29}, publisher = {mathdoc}, volume = {21}, year = {2020}, doi = {10.5427/jsing.2020.21b}, url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2020.21b/} }