00299nam a2200109Ia 4500020001800000082001700018100001800035245008400053260003000137300000900167650001300176  a9781466571396  a515.64 BUR/I  aBurns, John A 0aIntroduction to the calculus of variations and control with modern applications  bCrc PressaNew Yorkc2014  a544p  aCalculus