@article{EUA_1985-1986__4_a51,
     author = {Octave Onicescu},
     title = {\ensuremath{\Pi}\ensuremath{\Upsilon}\ensuremath{\Theta}A\ensuremath{\Gamma}OPA\ensuremath{\Sigma} (572-482)},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} A
},
     pages = {107-123},
     publisher = {mathdoc},
     volume = {4},
     year = {1985-1986},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUA_1985-1986__4_a51/}
}