John, Fritz.
Plane Waves and Spherical Means / - 1st ed / - New York : Springer-Verlag. - p.172 :
0-387-90565-0
Mathematics
B334 / J5
Plane Waves and Spherical Means / - 1st ed / - New York : Springer-Verlag. - p.172 :
0-387-90565-0
Mathematics
B334 / J5