@article{GT_2010_14_4_a3,
     author = {Ohtsuki, Tomotada},
     title = {Perturbative invariants of 3{\textendash}manifolds with the first {Betti} number 1},
     journal = {Geometry & topology},
     pages = {1993--2045},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2010},
     doi = {10.2140/gt.2010.14.1993},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2010.14.1993/}
}