1. Double Stieltjes operator integrals;Birman;Problems of Math. Phys., Leningrad. Univ.,1966
2. Double Stieltjes operator integrals. II;Birman;Problems of Math. Phys., Leningrad. Univ.,1967
3. Double Stieltjes operator integrals. III;Birman;Problems of Math. Phys., Leningrad. Univ.,1973
4. The connection of the Kantorovich–Rubinshtein metric for spectral resolutions of selfadjoint operators with functions of operators;Farforovskaya;Vestnik Leningrad. Univ.,1968
5. An estimate of the norm of |f(B)−f(A)| for selfadjoint operators A and B;Farforovskaya;Zap. Nauchn. Sem. Leningrad. Otdel. Mat. Inst. Steklov. (LOMI),1976