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The research is financially supported by the Russian Foundation for Basic Research (Grant 94-01-00878).
Translated from Sibirskii Matematicheskii, Vol. 37, No. 6, pp. 1380–1396, November–December, 1996.
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Sychëv, M.A. Examples of classically unsolvable regular scalar variational problems satisfying standard growth conditions. Sib Math J 37, 1212–1227 (1996). https://doi.org/10.1007/BF02106746
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DOI: https://doi.org/10.1007/BF02106746