by Ignatev, Mikhail, Penkov, Ivan
Published in Transformation groups (01.06.2024)

by Penkov, Ivan, Tikhomirov, Alexander S.
Published in Annali di matematica pura ed applicata (01.10.2022)

by FRESSE, LUCAS, PENKOV, IVAN
Published in Transformation groups (01.09.2022)

by Chirvasitu, Alexandru, Penkov, Ivan
Published in Applied categorical structures (01.10.2021)

by GRANTCHAROV, DIMITAR, PENKOV, IVAN
Published in Transformation groups (01.12.2020)

by GRANTCHAROV, DIMITAR, PENKOV, IVAN
Published in Transformation groups (01.12.2020)

by Vassilev, Tsvetan, Penkov, Ivan, Tzvetkova, Christina, Pascova, Radost
Published in Journal of non-crystalline solids (15.04.2016)

by Grantcharov, Dimitar, Penkov, Ivan, Serganova, Vera
Published in European journal of mathematics (01.03.2024)

by Esposito, Francesco, Penkov, Ivan
Published in Journal of algebra (15.03.2024)

by Fresse, Lucas, Penkov, Ivan
Published in Transformation groups (25.04.2024)

by Penkov, Ivan, Tsanov, Valdemar
Published in Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg (14.09.2024)

by Calixto, Lucas, Penkov, Ivan
Published in Journal of pure and applied algebra (01.02.2022)

by Penkov, Ivan, Serganova, Vera
Published in Journal of algebra (15.08.2019)

by Chirvasitu, Alexandru, Penkov, Ivan
Published in Algebras and representation theory (15.02.2019)

by Dan-Cohen, Elizabeth, Penkov, Ivan, Serganova, Vera
Published in Advances in mathematics (New York. 1965) (05.02.2016)

by Frenkel, Igor, Penkov, Ivan, Serganova, Vera
Published in Communications in mathematical physics (01.02.2016)

by PENKOV, IVAN, PETUKHOV, ALEXEY
Published in Transformation groups (01.09.2016)

by Ignatyev, Mikhail V., Penkov, Ivan
Published in Journal of algebra (01.02.2016)

by Penkov, Ivan, Zuckerman, Gregg
Published in São Paulo Journal of Mathematical Sciences (01.12.2018)

by PENKOV, IVAN, PETUKHOV, ALEXEY
Published in Transformation groups (01.09.2016)