00297    a2200109   4500020001500000082001600015100001700031245005200048260004200100300002300142650002200165  a3540422072  a515.39bKOZ  aKozlov, V.V.  aDynamical systems Xbgeneral theory of vortices  aBerlinbSpringer - Verlagc2003g1998  aviii, 184p.c24cm.  aDynamical systems