%0 Journal Article %A A. S. Mishchenko %T Maslov index on symplectic manifolds infinitesimal Lagrangian manifolds %J Contemporary Mathematics. Fundamental Directions %D 2024 %P 417-427 %V 70 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMFD_2024_70_3_a5/ %G ru %F CMFD_2024_70_3_a5