@article{AIF_2015__65_4_1423_0, author = {Schliebner, Daniel}, title = {On {Lorentzian} manifolds with highest first {Betti} number}, journal = {Annales de l'Institut Fourier}, pages = {1423--1436}, publisher = {Association des Annales de l{\textquoteright}institut Fourier}, volume = {65}, number = {4}, year = {2015}, doi = {10.5802/aif.2962}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.2962/} }