The Euler International Mathematical Institute:

Phones: +7-812-234-05-74
+7-960-279-10-37 Nadia Zalesskaya (programme coordinator)
+7-911-965-35-21 Tatiana Vinogradova (visa assistance)

You can find the EIMI on the map:

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You can reach the Euler Institute:

from metro station "Petrogradskaya", two stops by trolleybus 34, or by bus 1, 46, or by minibuses (you should ask to stop before the Kamennoostrovski most(bridge)) 46, 76, 127, 252, 298, 346;
from metro station "Chernaya Rechka" , two stops by tram 40, bus 1 and 46, or trolleybus 34 or by minibuses 46, 76, 98, 127, 252, 298, 346, 690 (you should ask to stop after the Kamennoostrovski most(bridge)) and 321 (you should ask to stop near the Vyazemski garden);
from metro station "Chkalovskaya", by minibus 98, 321 or by bus 1.