@article{10_21136_MB_2014_143850,
     author = {Labovskiy, Sergey and Getimane, M\'ario Frengue},
     title = {On discreteness of spectrum of a functional differential operator},
     journal = {Mathematica Bohemica},
     pages = {213--229},
     publisher = {mathdoc},
     volume = {139},
     number = {2},
     year = {2014},
     doi = {10.21136/MB.2014.143850},
     mrnumber = {3238835},
     zbl = {06362254},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2014.143850/}
}