TY  - BOOK
AU  - Steward, G.C.
TI  - Symmetrical optical system (the)
SN  - 9781107493889
U1  - 514.88 
PY  - 2015///
CY  - Cambridge
PB  - CUP
KW  - MATHEMATICS
KW  - GEOMETRIC OBJECT IN OPTICS
KW  - MATHEMATICAL PHYSICS
ER  -