@book{400391,
title = {Differential and Integral Equations},
series = {GDML\_Books},
publisher = {Academia},
address = {Praha},
year = {1979},
mrnumber = {MR0542283},
zbl = {0417.45001},
language = {en},
url = {http://dml.mathdoc.fr/item/400391}
}
Schwabik, Štefan; Tvrdý, Milan; Vejvoda, Otto. Differential and Integral Equations. GDML_Books (1979), http://gdmltest.u-ga.fr/item/400391/