Geodesic
Mean-value formula for a hyperbolic equation with a factorizable operator
Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Proceedings of the Voronezh Winter Mathematical School "Modern Methods of Function Theory and Related Problems." January 28 – February 2, 2019. Part 4, Tome 173 (2019), pp. 126-131.

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A mean-value formula for a linear partial differential hyperbolic equation with an operator splitting into first-order factors is obtained. This formula can be interpreted as an extension of the Asgeirsson principle to the case considered.
Keywords: accompanying distribution, mean-value formula, factorization of a differential operator
Mots-clés : inclusion-exception formula. 
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M. V. Polovinkina. Mean-value formula for a hyperbolic equation with a factorizable operator. Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory, Proceedings of the Voronezh Winter Mathematical School "Modern Methods of Function Theory and Related Problems." January 28 – February 2, 2019. Part 4, Tome 173 (2019), pp. 126-131. http://geodesic.mathdoc.fr/item/INTO_2019_173_a9/

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