@article{RM_1984_39_1_a1,
     author = {S. K. Godunov and V. M. Gordienko},
     title = {The {Green} matrix of the boundary-value problem for ordinary differential equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {45--85},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1984_39_1_a1/}
}