@article{BASM_2008_1_a12,
     author = {A. Perjan and Galina Rusu},
     title = {Singularly perturbed {Cauchy} problem for abstract linear differential equations of second order in {Hilbert} spaces},
     journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica},
     pages = {195--204},
     publisher = {mathdoc},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BASM_2008_1_a12/}
}