TY  - JOUR
AU  - Fernández-Rañada, Antonio
PY  - 2001
DO  - 10.1002/0471231495.ch2
SN  - 0065-2385
UR  - https://hdl.handle.net/20.500.14352/58973
T2  - Modern Nonlinear Optics, Prt. 3, Second Edition: Advances in Chemical Physics
M2  - 197
PB  - John Wiley & Sons
KW  - Quantum-Field Theory
KW  - Hopf Index
KW  - Solitons
KW  - Force
KW  - Knot
KW  - Equations
KW  - Helicity
KW  - Lines.
TI  - Topological electromagnetism with hidden nonlinearity
TY  - journal article
VL  - 119
ER  -