530.15  Gui  T 2  Guillemin , Ernerst Adolph 
Theery of linear  physical systoms ., theery
of physical systemz  from the viowpcint of
classical dynamice, including Fourier methodz,
[La Habana] Edición Revolucionaria ,Instituto
del Libro [1969]
xvi i , 586    p. diagrs .  23 cm