@article{10_1017_S0017089509990048,
     author = {BONDER, JULI\'AN FERN\'ANDEZ and ORIVE, RAFAEL and ROSSI, JULIO D.},
     title = {THE {BEST} {SOBOLEV} {TRACE} {CONSTANT} {IN} {PERIODIC} {MEDIA} {FOR} {CRITICAL} {AND} {SUBCRITICAL} {EXPONENTS}},
     journal = {Glasgow mathematical journal},
     pages = {619--630},
     year = {2009},
     volume = {51},
     number = {3},
     doi = {10.1017/S0017089509990048},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089509990048/}
}