@article{10_4064_fm_127_1_1_7,
     author = {Saroop Kaul},
     title = {Continuous and discrete flows and the property of $ch0^\ensuremath{\pm}$},
     journal = {Fundamenta Mathematicae},
     pages = {1--7},
     publisher = {mathdoc},
     volume = {127},
     number = {1},
     year = {1987},
     doi = {10.4064/fm-127-1-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-127-1-1-7/}
}