Piir, Ivar 4 Publications (1978–2001) indexed Co-Authors: Kikas, Eve; Mankin, Romi Main Fields: Partial differential equations (35-XX) Published as: Piir, Ivar; Piir, I.
Pijr, I. 3 Publications (1971–1983) indexed Co-Authors: Kikas, Eve; Mankin, Romi Main Fields: Partial differential equations (35-XX) Published as: Pijr, I.