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@article{SJIM_2003_6_3_a4, author = {A. V. Gavrilov}, title = {A~generalization of the {Christoffel--Darboux} formula}, journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki}, pages = {67--69}, publisher = {mathdoc}, volume = {6}, number = {3}, year = {2003}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SJIM_2003_6_3_a4/} }
A. V. Gavrilov. A~generalization of the Christoffel--Darboux formula. Sibirskij žurnal industrialʹnoj matematiki, Tome 6 (2003) no. 3, pp. 67-69. http://geodesic.mathdoc.fr/item/SJIM_2003_6_3_a4/