00415nam a2200145Ia 4500008004100000020001800041041000800059082001600067100002700083245006800110260004000178300000800218365001600226700002700242230718s9999    xx            000 0 und d  a9780821887349  aeng  a515.64bGIB  aMesterton - Gibbons M.  aPrimer On The Calculus Of Variations And Optimal Control Theory  c2012bAmerican Mathematical Society  a252  cRs.b680.00  aMesterton - Gibbons M.