62. A. I. Krylov
Equation-of-motion coupled-cluster methods for open-shell and electronically excited species: The hitchhiker's guide to Fock space
Ann. Rev. Phys. Chem. 59, 433 – 462 (2008) Abstract  Full text

41. A. I. Krylov
Triradicals
J. Phys. Chem. A 109, 10638 – 10645 (2005) Abstract  PDF (180 kB)

39. A. I. Krylov
The spin-flip equation-of-motion coupled-cluster electronic structure method for a description of excited states, bond-breaking, diradicals, and triradicals
Acc. Chem. Res. 39, 83 – 91 (2006) Abstract  PDF (246 kB)

27. A. I. Krylov, L. V. Slipchenko, and S. V. Levchenko
Breaking the curse of the non-dynamical correlation problem: The spin-flip method
ACS Symposium Series 958, 89 – 102 (2007) PDF (657 kB)