@article{GT_2009_13_2_a9,
     author = {Ritter, Alexander F},
     title = {Novikov-symplectic cohomology and exact {Lagrangian} embeddings},
     journal = {Geometry & topology},
     pages = {943--978},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2009},
     doi = {10.2140/gt.2009.13.943},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2009.13.943/}
}