@article {22, title = {Functional quantization and small balls probabilities for Gaussian processes}, journal = {Journal of Theoretical Probability}, volume = {16(4)}, year = {2003}, chapter = {1047-1062}, abstract = {The sharp asymptotics for the $L^2$-quantization errors of Gaussian measures on a Hilbert space and, in particular, for Gaussian processes is derived. The condition imposed is regular variation of the eigenvalues.}, author = {Siegfried Graf and Harald Luschgy and Gilles Pag{\`e}s} }