%0 Journal Article %J Journal of Chemical Physics %D 1977 %T Operator Formalism for Double Quantum Nmr %A Vega, S. %A Pines, A. %B Journal of Chemical Physics %V 66 %P 5624-5644 %@ 0021-9606 %G English %U ://WOS:A1977DL33200046 %N 12 %M WOS:A1977DL33200046 %! Operator Formalism for Double Quantum Nmr %R Doi 10.1063/1.433884