@article{EUG_1995_43_a6,
     author = {P. Ch. Tsamatos and  Ch. P. Gupta and  S. K. Ntouyas},
     title = {m-Point {Boundary} {Value} {Problems}},
     journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma}},
     pages = {105--123},
     year = {1995},
     volume = {43},
     language = {gr},
     url = {http://geodesic.mathdoc.fr/item/EUG_1995_43_a6/}
}