@article{EUG_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 = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}
},
     pages = {139-151},
     publisher = {mathdoc},
     volume = {45},
     year = {1996},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1996__45_a16/}
}