TY - DATA AU - Anderson, Ian AU - Thompson, Gerard, TI - The inverse problem of the calculus of variations for ordinary differential equations T2 - Memoirs of the American Mathematical Society, SN - 9781470408992 (online) PY - 1992/// CY - Providence, R.I. PB - American Mathematical Society UR - http://www.ams.org/memo/0473 ER -