>>212706688 (OP)Nothing special, really
Don't be a jerk
Be calm but funny
Don't be sleazy
Invite for coffee
Then invite for barbecue/bike ride/short trip/whatever you two might be interested in
If she keeps accepting your invitations, then she is interested in you
They would probably expect you to pay, this is just how things are done in Russia, but if you split, they're likely to just consider that the US way of doing things
It is less likely to encounter a feminist attitude, feel free to be a gentleman (but not a jerk, deciding for her which food she'll order)
> t. Russian