Getting resorce's calendar through Graph Api - recieving 500 status.

Hello, I have a problem with getting resource's calendar events through Graph Api.

For example, when using this endpoint, I recieve 500 status:

https://graph.microsoft.com/v1.0/users/bialystok_tardis_blue@softwarehut.com/calendar/calendarView?startDateTime=2017-07-01T19:00:00.0000000&endDateTime=2017-08-01T19:00:00.0000000

But I can access info about this calendar by Outlook OWA. Does Graph Api has an internal error or I'm just using it wrong?

I read about walk arounds, but all of them are impractical for my project (mostly about sharing those calendars), maybe you would have any?