@article{ZNSL_1983_124_a9,
     author = {M. N. Yakovlev},
     title = {Estimates of the solutions systems of integro-differential equations subject to many-points and integral boundary conditions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {131--139},
     publisher = {mathdoc},
     volume = {124},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1983_124_a9/}
}