00517nam a2200133Ia 4500008004100000082001900041100005300060245004800113260005000161300002700211490006100238500005600299700002800355260317b        |||||||| |||| 00| 0 eng d  a510.3bEn56.80  aEncyclopedia of Mathematics and its applications  aLie's structural approach to PDE systemsb/  aCambridge:bCambridge University Press,c2000  axv, 572p. Index. Bibl.  aEncyclopedia of Mathematics and its applicationsv V. 80  a"Purchased under NBHM grant for the year 1999-2000"  aStormark, Olleeauthor.