Study of the Effect of Modified Aluminum Oxide Nanofibers on the Properties of PLA-Based Films oleh Anna Sukhanova, Anatoly Boyandin, Natalya Ertiletskaya, Mikhail Simunin, Taisia Shalygina, Anton Voronin, Alexander Vasiliev, Ivan Nemtsev, Mikhail Volochaev, Svetlana Pyatina