@article{JNSA_2010_3_4_a4,
     author = {RASSIAS, MATINA J.},
     title = {  J. {M.} {RASSIAS} {PRODUCT-SUM} {STABILITY} {OF} {AN} {EULER-LAGRANGE} {FUNCTIONAL} {EQUATION} },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {265-271},
     publisher = {mathdoc},
     volume = {3},
     number = {4},
     year = {2010},
     doi = {10.22436/jnsa.003.04.05},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.003.04.05/}
}