@article{MR_1996__45_a16,
     author = {E. P. Valaris and  Maria Alex. Leftaki},
     title = {Familes {FI} and {FII} of {Symmetric} and {Periodic} {Orbits} of {Charged} {Particle} {Moving} in the {Plane} of {Motion} of two {Parallel} {Revolving} {Magnetic} {Dipoles}},
     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 = {139-151},
     publisher = {mathdoc},
     volume = {45},
     year = {1996},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/MR_1996__45_a16/}
}