Geodesic
Semicontinuity of integral functionals and existence theorems on extremal problems
Sbornik. Mathematics, Tome 7 (1969) no. 1, pp. 59-77 Cet article a éte moissonné depuis la source Math-Net.Ru

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     title = {Semicontinuity of integral functionals and existence theorems on extremal problems},
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     url = {http://geodesic.mathdoc.fr/item/SM_1969_7_1_a2/}
}
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B. T. Polyak. Semicontinuity of integral functionals and existence theorems on extremal problems. Sbornik. Mathematics, Tome 7 (1969) no. 1, pp. 59-77. http://geodesic.mathdoc.fr/item/SM_1969_7_1_a2/

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