@article{AFM_1973_521-560_a30,
     author = {V\"ain\"o Jalava},
     title = {Remarks on the regularity of the solutions of a linear partial differential equation with constant coefficients},
     journal = {Annales Fennici Mathematici},
     publisher = {mathdoc},
     volume = {521-560},
     year = {1973},
     doi = {10.5186/aasfm.1973.530},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1973.530/}
}