@article{GDZPPN002345757, title = {Finite Boundary Value Problems Solved by Green's Matrix.}, journal = {Mathematica Scandinavica}, volume = {7}, year = {1959}, pages = {49-56}, zbl = {0093.31101}, url = {http://dml.mathdoc.fr/item/GDZPPN002345757} }
Asplund, S.O. Finite Boundary Value Problems Solved by Green's Matrix.. Mathematica Scandinavica, Tome 7 (1959) pp. 49-56. http://gdmltest.u-ga.fr/item/GDZPPN002345757/