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@article{10_4064_cm_31_2_223_229, author = {Udo Simon}, title = {On differential operators of second order on {Riemannian} manifolds with nonpositive curvature}, journal = {Colloquium Mathematicum}, pages = {223--229}, publisher = {mathdoc}, volume = {31}, number = {2}, year = {1974}, doi = {10.4064/cm-31-2-223-229}, language = {en}, url = {https://geodesic-test.mathdoc.fr/articles/10.4064/cm-31-2-223-229/} }
TY - JOUR AU - Udo Simon TI - On differential operators of second order on Riemannian manifolds with nonpositive curvature JO - Colloquium Mathematicum PY - 1974 SP - 223 EP - 229 VL - 31 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.4064/cm-31-2-223-229/ DO - 10.4064/cm-31-2-223-229 LA - en ID - 10_4064_cm_31_2_223_229 ER -
%0 Journal Article %A Udo Simon %T On differential operators of second order on Riemannian manifolds with nonpositive curvature %J Colloquium Mathematicum %D 1974 %P 223-229 %V 31 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.4064/cm-31-2-223-229/ %R 10.4064/cm-31-2-223-229 %G en %F 10_4064_cm_31_2_223_229
Udo Simon. On differential operators of second order on Riemannian manifolds with nonpositive curvature. Colloquium Mathematicum, Tome 31 (1974) no. 2, pp. 223-229. doi : 10.4064/cm-31-2-223-229. https://geodesic-test.mathdoc.fr/articles/10.4064/cm-31-2-223-229/
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