N. Ia Krupnik (Krupnik, N. Ia)

English

• 
  Banach Algebras With Symbol and Singular Integral Operators
  by A. Iacob, N. Ia Krupnik
  Hardcover, Birkhauser, ISBN 0817618368 (0-8176-1836-8)
• 
  Banach Algebras With Symbol and Singular Integral Operators
  by N. Ia Krupnik
  Hardcover, Birkhauser Verlag, ISBN 3764318368 (3-7643-1836-8)
• 
  One-Dimensional Linear Singular Integral Equations
  by I. Gohberg, N. Ia Krupnik
  Hardcover, Birkhauser Verlag, ISBN 3764325844 (3-7643-2584-4)

German

• 
  Einfuhrung in Die Theorie Der Eindimensionalen Singularen Integraloperatoren
  by I. Gohberg, N. Ia Krupnik
  Hardcover, Birkhauser, ISBN 3764310200 (3-7643-1020-0)