@article{Man92,
    author = {I.I. Mandoiu},
    title = {Kraft-Chaitin's theorem for free-extensible codes},
    journal = {Mathematical Reports (Studii si Cercetari Matematice)},
    year = {1992},
    volume = {44},
    pages = {497-501},
    url = {http://www.ub.ro/pubs/scssm/},
    confidential = {n}
}