@article{10_1017_S0017089504001715,
     author = {PREDA, PETRE and POGAN, ALIN and PREDA, CIPRIAN},
     title = {ON ${\bf (a,b)}${-DICHOTOMY} {FOR} {EVOLUTIONARY} {PROCESSES} {ON} {A} {HALF-LINE}},
     journal = {Glasgow mathematical journal},
     pages = {217--225},
     year = {2004},
     volume = {46},
     number = {2},
     doi = {10.1017/S0017089504001715},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089504001715/}
}