Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1987_180_a83, author = {L. P. Kuptsov}, title = {Averaging operators and partial differential equations}, journal = {Informatics and Automation}, pages = {145--146}, publisher = {mathdoc}, volume = {180}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a83/} }
L. P. Kuptsov. Averaging operators and partial differential equations. Informatics and Automation, Theory of functions and related questions of analysis, Tome 180 (1987), pp. 145-146. http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a83/