@article{SM_1973_21_2_a0,
     author = {M. A. Evgrafov and M. M. Postnikov},
     title = {More on the asymptotic behavior of {Green} functions of parabolic equations with constant coefficients},
     journal = {Sbornik. Mathematics},
     pages = {167--190},
     year = {1973},
     volume = {21},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1973_21_2_a0/}
}