@article{ZNSL_1969_14_a13,
     author = {V. A. Solonnikov},
     title = {Green matrices for parabolic initial boundary value problems},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {256--287},
     publisher = {mathdoc},
     volume = {14},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1969_14_a13/}
}