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@book{book_91688806,
    title = {Lectures on the calculus of variations and optimal control theory},
    author = {Laurence Chisholm Young},
    publisher = {Chelsea},
    isbn = {082840304X; 9780828403047},
    year = {1980},
    url = {libgen.li/file.php?md5=cf8133845a3486327cfcbbd7323865f1},
    date-added = {2026-2-6 8:17:6 +0100}
}

@book{book_91688806, title = {Lectures on the calculus of variations and optimal control theory}, author = {Laurence Chisholm Young}, publisher = {Chelsea}, isbn = {082840304X; 9780828403047}, year = {1980}, url = {libgen.li/file.php?md5=cf8133845a3486327cfcbbd7323865f1}, date-added = {2026-2-6 8:17:6 +0100} }