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@article{DE_1985_21_6_a8, author = {M. Pikula}, title = {Regularized traces of higher-order differential operators with retarded argument}, journal = {Differencialʹnye uravneni\^a}, pages = {986--991}, publisher = {mathdoc}, volume = {21}, number = {6}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1985_21_6_a8/} }
M. Pikula. Regularized traces of higher-order differential operators with retarded argument. Differencialʹnye uravneniâ, Tome 21 (1985) no. 6, pp. 986-991. http://geodesic.mathdoc.fr/item/DE_1985_21_6_a8/