Bollini C.G. Dimensional regularization, Bochner's theorem and perturbative calculations / C.G.Bollini,J.J.Giambiagi, 1992. - 11 p. - Текст : непосредственный.
Bollini C.G. On tachyon quantization / C.G.Bollini,J.J.Giambiagi, 1990. - 13 p. - Текст : непосредственный.
Bollini C.G. Arbitrary powers of D'Alembertians and the Huygens principle / C.G.Bollini,J.J.Giambiagi, 1991. - 27 p. - Текст : непосредственный.