Longobardi P.

Publications in Math-Net.Ru

1. Groups with finitely many isomorphic classes of relevant subgroups
   
   Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 177 (2020),  102–110
2. On the sum of orders of elements in finite groups
   
   Itogi Nauki i Tekhniki. Sovrem. Mat. Pril. Temat. Obz., 177 (2020),  74–79


3. Igor Ya. Subbotin (dedicated to 70th Birthday)
   
   Algebra Discrete Math., 29:2 (2020),  C–F
4. Leonid A. Kurdachenko (dedicated to 70th Birthday)
   
   Algebra Discrete Math., 29:1 (2020),  C–H