We give a pointwise characterization of semi-∇-flat functions on an affine manifold (M,∇).
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-ap89-2-4, author = {Wojciech Koz\l owski}, title = {A remark on semi-[?]-flat functions}, journal = {Annales Polonici Mathematici}, volume = {89}, year = {2006}, pages = {147-149}, zbl = {1112.53005}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap89-2-4} }
Wojciech Kozłowski. A remark on semi-∇-flat functions. Annales Polonici Mathematici, Tome 89 (2006) pp. 147-149. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-ap89-2-4/