Helmet, Fritz
Symmetry and group theory/ Fritz Helmet - New Delhi: Sarup & Sons; 2005. - 229p. ill.; 20cm.
Symmetry and group theory.
512.220 / HES
Symmetry and group theory/ Fritz Helmet - New Delhi: Sarup & Sons; 2005. - 229p. ill.; 20cm.
Symmetry and group theory.
512.220 / HES