@article{IM2_1995_44_3_a9,
     author = {V. A. Klyachin and V. M. Miklyukov},
     title = {Conditions for finite existence time of maximal tubes and bands in {Lorentzian} warped products},
     journal = {Izvestiya. Mathematics },
     pages = {629--643},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1995_44_3_a9/}
}