1. Notas de Matem\'{a}tica [Mathematical Notes];de Guzmán, Miguel,1981
2. Hayes, C.A. and Pauc, C.Y., Derivation and Martingales, Springer-Verlag, 1970
3. Lecture Notes in Mathematics, Vol. 463;Kuo, Hui Hsiung,1975
4. Gaussian measures and covering theorems;Preiss, D.;Comment. Math. Univ. Carolin.,1979
5. Gaussian measures and the density theorem;Preiss, D.;Comment. Math. Univ. Carolin.,1981