- I.Ya. Aref'eva, P.B. Medvedev, A.P. Zubarev, “Background formalism for superstring field theory”, Physics Letters B, 240, № 3-4, 1990, 356
- I.Ya. Aref'eva, P.B. Medvedev, A.P. Zubarev, “New representation for string field solves the consistency problem for open superstring field theory”, Nuclear Physics B, 341, № 2, 1990, 464
- I. Ya. Aref'eva, P. B. Medvedev, “Oscillator representation of picture-changing operators”, Theor Math Phys, 82, № 1, 1990, 23