@article{MR_1995__44_a3,
     author = {Oldrich Kowalski and  Masami Sekizawa},
     title = {On the {Scalar} {Curvature} of {Tangent} sphere bundles with {Arbitary} {Constant} {Radius}},
     journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta}
},
     pages = {17-30},
     publisher = {mathdoc},
     volume = {44},
     year = {1995},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1995__44_a3/}
}