Donation to Boris Gelbukh
Credit card / PayPal

Pay ONE ITEM at a time. Each button is for paying one item.
To pay more than one item, use "continue with paying" link
on the page that appears after a successful transaction.

Test payment: US$ 1.23          * Only if you want to try how it works. It will charge you $1.23; no refund!          * Amount donated in USD DonationUS$ 5                      Amount  USSD  as assigned by EasyChair Donation reason  Paper ID  as assigned by EasyChair Paper title (a US$ 75 Workshop Paper title

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