@article{JNSA_2008_1_1_a3,
     author = {DONG , XIN  and BAI, ZHANBING},
     title = {POSITIVE {SOLUTIONS} {OF} {FOURTH-ORDER} {BOUNDARY} {VALUE} {PROBLEM} {WITH} {VARIABLE} {PARAMETERS} },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {21-30},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {2008},
     doi = {10.22436/jnsa.001.01.04},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.001.01.04/}
}