TY  - BOOK
AU  - Soreng Jan
TI  - Difference equation x(n+1) = x(1) + S(x(2),..., x(n)) where S is symmetric
SN  - 82-553-0333-2
U1  - 510.7 
PY  - 1977///
CY  - Oslo
PB  - Institute of Mathematics
KW  - Difference equation
ER  -