Second-order hyperbolic huygens differential equations for multicomponent fields
English version (Springer): Ukrainian Mathematical Journal 29 (1977), no. 3, pp 264-274.
Citation Example: Shimming R. Second-order hyperbolic huygens differential equations for multicomponent fields // Ukr. Mat. Zh. - 1977. - 29, № 3. - pp. 351–363.
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